NWS Forecast for: Mount St Helens WA
Issued by: National Weather Service Portland, OR
Last Update: 8:55 pm PDT Aug 27, 2015
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  • Tonight

    Tonight: Mostly cloudy, with a low around 50. West wind 5 to 7 mph becoming east southeast after midnight.

    Mostly Cloudy

    Low: 50 °F

  • Friday

    Friday: Rain likely.  Cloudy, with a temperature falling to around 49 by 10am. South wind 5 to 9 mph.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Rain Likely

    High: 63 °F

  • Friday
    Night

    Friday Night: Rain likely, mainly after 11pm.  Cloudy, with a temperature rising to around 66 by midnight. South southwest wind 7 to 12 mph increasing to 13 to 18 mph after midnight. Winds could gust as high as 25 mph.  Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Rain Likely

    Low: 53 °F

  • Saturday

    Saturday: Rain before 11am, then showers after 11am.  High near 49. Windy, with a south southwest wind 21 to 26 mph increasing to 34 to 39 mph in the morning. Winds could gust as high as 55 mph.  Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    Rain and
    Windy

    High: 49 °F

  • Saturday
    Night

    Saturday Night: Rain.  Low around 43. Breezy, with a southwest wind 18 to 23 mph, with gusts as high as 32 mph.  Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Rain and
    Breezy

    Low: 43 °F

  • Sunday

    Sunday: Showers.  High near 51. Chance of precipitation is 80%.

    Showers

    High: 51 °F

  • Sunday
    Night

    Sunday Night: Showers likely before 11pm, then a chance of rain after 11pm.  Mostly cloudy, with a low around 39. Chance of precipitation is 60%.

    Showers
    Likely

    Low: 39 °F

  • Monday

    Monday: A chance of rain before 11am, then a chance of showers after 11am.  Mostly cloudy, with a high near 46.

    Chance Rain

    High: 46 °F

  • Monday
    Night

    Monday Night: A chance of showers.  Mostly cloudy, with a low around 41.

    Chance
    Showers

    Low: 41 °F



  • Tonight: Mostly cloudy, with a low around 50. West wind 5 to 7 mph becoming east southeast after midnight.

    Friday: Rain likely. Cloudy, with a temperature falling to around 49 by 10am. South wind 5 to 9 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Friday Night: Rain likely, mainly after 11pm. Cloudy, with a temperature rising to around 66 by midnight. South southwest wind 7 to 12 mph increasing to 13 to 18 mph after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Saturday: Rain before 11am, then showers after 11am. High near 49. Windy, with a south southwest wind 21 to 26 mph increasing to 34 to 39 mph in the morning. Winds could gust as high as 55 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    Saturday Night: Rain. Low around 43. Breezy, with a southwest wind 18 to 23 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Sunday: Showers. High near 51. Chance of precipitation is 80%.

    Sunday Night: Showers likely before 11pm, then a chance of rain after 11pm. Mostly cloudy, with a low around 39. Chance of precipitation is 60%.

    Monday: A chance of rain before 11am, then a chance of showers after 11am. Mostly cloudy, with a high near 46.

    Monday Night: A chance of showers. Mostly cloudy, with a low around 41.

    Tuesday: A chance of showers. Mostly cloudy, with a high near 47.

    Tuesday Night: A chance of showers. Mostly cloudy, with a low around 35.

    Wednesday: A chance of showers. Mostly cloudy, with a high near 43.

    Wednesday Night: A chance of showers. Mostly cloudy, with a low around 33.

    Thursday: A chance of showers. Partly sunny, with a high near 46.



    Mount St Helens WA
     46.2°N 122.18°W (Elev. 5997 ft)

    Visit your local NWS office at: http://www.wrh.noaa.gov/pqr